20118774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19841}}^1$

素因数の和:19872

約数の個数: 24

約数和(自身を含む): 43573032

約数和(自身を除く): 23454258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 19841, 39682, 59523, 119046, 257933, 515866, 773799, 1547598, 3353129, 6706258, 10059387, 20118774]

約数ペア:

[(1, 20118774), (2, 10059387), (3, 6706258), (6, 3353129), (13, 1547598), (26, 773799), (39, 515866), (78, 257933), (169, 119046), (338, 59523), (507, 39682), (1014, 19841)]